CVE-2020-14314

Description

A memory out-of-bounds read flaw was found in the Linux kernel before 5.9-rc2 with the ext3/ext4 file system, in the way it accesses a directory with broken indexing. This flaw allows a local user to crash the system if the directory exists. The highest threat from this vulnerability is to system availability.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.02%
Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory kernel.org
Affected: Linux Kernel kernel
Published at:
Updated at:

References

Link Tags
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5872331b3d91820e14716632ebb56b1399b34fe1 patch vendor advisory
https://lore.kernel.org/linux-ext4/f53e246b-647c-64bb-16ec-135383c70ad7%40redhat.com/T/#u
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-14314 issue tracking third party advisory
https://lists.debian.org/debian-lts-announce/2020/09/msg00025.html third party advisory mailing list
https://usn.ubuntu.com/4576-1/ third party advisory vendor advisory
https://usn.ubuntu.com/4578-1/ third party advisory vendor advisory
https://usn.ubuntu.com/4579-1/ third party advisory vendor advisory
https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html third party advisory mailing list
https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html third party advisory mailing list
https://www.starwindsoftware.com/security/sw-20210325-0003/ third party advisory

Frequently Asked Questions

What is the severity of CVE-2020-14314?
CVE-2020-14314 has been scored as a medium severity vulnerability.
How to fix CVE-2020-14314?
To fix CVE-2020-14314, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-14314 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-14314 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-14314?
CVE-2020-14314 affects Linux Kernel kernel.
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